American steel giant Nucor Corporation has provided an update on the recent attack, confirming that hackers have stolen some data from its systems.
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Nucor, which says it is the largest steel producer and recycler in North America, disclosed the cybersecurity incident in mid-May.
The attack involved unauthorized access to IT systems, which led to the deactivation of some of them and the temporary interruption of specific production activities.
On Friday, Nucor released an update on the attack in a filing with the U.S. Securities and Exchange Commission (SEC). The company's internal investigation concluded that the cybercriminal was able to extract "a limited amount of data" from the compromised computer systems.
" The Company is reviewing and evaluating the data that was impacted and will make all necessary notifications to potentially affected individuals as well as to relevant regulatory authorities, as required by applicable law ," Nucor said .
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The systems that were out of service due to the cyberattack have now been restored and the company informed the Securities and Exchange Commission (SEC) that the incident is unlikely to have a material impact on its financial condition or operating results.
Nucor believes the malicious actor has now been excluded from its systems and measures have been taken to prevent future breaches.
Although the company's response suggests that it may have been the target of a ransomware attack, so far no known group has claimed responsibility for the breach of Nucor's systems.
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Based on the above, we can say that the Nucor incident highlights once again the growing threat of cyberattacks in critical industries, such as the steel industry. These types of attacks – and especially ransomware – aim not only to extort data, but also to disrupt production operations, putting pressure on companies to pay ransom or comply with the attackers’ demands.
Source: securityweek
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